54% Polyester / 40% Repreve Tm Polyester / 6% Elastane. 40% Recycled Polyester. Moisture Wicking. Plainweave Fabrication. Printed Binding. Drawstring Stretch Waistband. Printed Binding 3" Inseam. Original Penguin Logo. Machine Wash According To Instructions On Care Label. Repreve™ is a performance fiber made from all types of recycled materials, including plastic bottles. The recycled fibers provide high quality and trusted sustainability.